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November 12th, 2016, 03:32 PM   #1
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binary operations

Let binary operation * be defined by a*b=a-b+ab, where a and b are real numbers. Solve

lx*2l=1

I have solved the question... now I am not so sure whether my answer is correct.

I got x=1 or x=1/3

Last edited by skipjack; November 12th, 2016 at 05:21 PM.
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November 12th, 2016, 03:37 PM   #2
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Your solutions are correct.
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